File Content Extraction 25.1
Filter SDK C Programming Guide

# Reducing Third-Party Library Usage

The following third-party vendor libraries are optional dependencies of File Content Extraction. This table shows you which `.dll` / `.so` files you will need to delete if you want to remove the third-party library, and what functionality you will lose as a result. It also shows which lines you should remove from formats.ini if you choose to delete the binary specified.

Vendor library | File(s) in bin dir | Format support or other functionality lost | Line(s) to remove in formats.ini
--- | --- | --- | ---
7zip 23.01/p7zip 17.04 | multiarcsr | PC_Library_Fmt, cpio_Archive_CRChdr_Fmt, cpio_Archive_CHRhdr_Fmt, PEX_Binary_Archive_Fmt, ARJ_Fmt, XZ_Fmt, Z7Z_Fmt, RAR5_Fmt, LZMA_Fmt, RPM_Fmt, Windows_Imaging_Fmt, Debian_Binary_Fmt, Windows_Installer_Fmt, Unix_Archive_Fmt, Mac_Executable_Fmt, Executable_JAR_Fmt, XAR_Fmt, XPInstall_Fmt, IHEX_Fmt | multiarc
Apache Arrow 11.0.0 | parquetsr | Apache_Parquet_Fmt | parquet
Apache Avro 1.10.1 | avrosr | Avro_Fmt | avro
brotli 1.0.9 | See ‘Apache Arrow’ |  |
Caffe rc2 | ocr and ocr folder | ocr is used for image to text conversion. |
chm_lib 0.40 | chmdll,chmsr | CHM_Fmt | chm
FreeType 2.13.3 | xpssr, pdfsr | MS_XPS_Fmt, PDF_Fmt, Portfolio_PDF_Fmt | xps, pdf
ICU 76.1 | pdfsr | PDF_Fmt, Portfolio_PDF_Fmt | pdf
Jansson 2.13.1 | avrosr | Avro_Fmt | avro
JasPer 4.2.1 | jp2000sr, kpjp2000sr | JPEG_2000_JP2_File_Fmt, ISO_JPEG2000_JP2_Fmt, ISO_JPEG2000_JPM_Fmt, ISO_JPEG2000_JPX_Fmt, Motion_JPEG_2000_Fmt, JPEG_2000_PGX_Fmt | jp2000
jemalloc 5.3.0 | See ‘Apache Arrow’ |  |
leptonica 1.80.0 | ocr and ocr folder | ocr is used for image to text conversion. |
libde265 1.0.15, libheif 1.17.6 | kpheifrdr |  | heif
libical 3.0.16 | icssr | ICS_Fmt | ics
libjpeg 9e | kpjpeg, kpjpgrdr, kptifrdr | JPEG_File_Interchange_Fmt, TIFF_Fmt | jpg, tif
libpff 20180714 | pffsr | MS_OutlookOST_Fmt | pff
libPNG 1.6.44 | kppng, kppngwrt, kppngrdr | APNG_Fmt, PNG_Fmt | png
libTIFF 4.6.0 | kptifrdr | TIFF_Fmt | tif
libwebp 1.3.2 | kpwebprdr, kptifrdr | WebP_Fmt, TIFF_Fmt | webp, tif
libxml2 2.13.3 | htmlsr, cryptographyservices | Ability to obtain XMP data from html files and ability to decrypt data in RMS protected files |
lz4 1.9.4 | See ‘Apache Arrow’ and ‘Apache ORC’ |  |
Microsoft MAPI | pstsr | MS_OutlookPST_Fmt | pst
ODA 2025.1 | kpodardr2 | AutoCAD_DXF_Binary_Fmt, AutoCAD_DXF_Text_Fmt, AutoDesk_DWG_Fmt | dwg, dxf
OpenBLAS 0.2.15 | libopenblas | ocr is used for image to text conversion. |
Apache ORC 1.6.8 | orcsr | Apache_ORC_Fmt | orc
iana 2020e-1 | orcsr | Apache_ORC_Fmt | orc
Google pdfium 4500 | kppdf2rdr, pdf2sr |  | Change 230=pdf2 to 230=pdf
Google protobuf 24.3 | ocr and ocr folder | ocr is used for image to text conversion. |
Google protobuf 21.12 | iwwp13sr, kpiwpg13rdr, iwss13sr, kviwork13, see ‘Apache ORC’ | IWWP13_Fmt, IWSS13_Fmt, IWPG13_Fmt and the ability to detect these iWork formats | iwwp13, iwss13, iwpg13
pstsdk 0.3 | pstxsr | Use pstsr or pstnsr depending on platform |
rapidjson 1.1.0 | pbixsr, codeidentifierplugin | MS_Power_BI_Fmt and source code detection | pbix
rapidxml 1.13 | pbixsr | MS_Power_BI_Fmt | pbix
Re2 2022-06-01 | See ‘Apache Arrow’ |  |
Google snappy 1.1.7 | See ‘Apache ORC’ |  |
Google snappy 1.1.9 | iwwp13sr, kpiwpg13rdr, iwss13sr, kviwork13, avrosr, see ‘Apache Arrow’ | Avro_Fmt, IWWP13_Fmt, IWSS13_Fmt, IWPG13_Fmt and the ability to detect these iWork formats | avro, iwwp13, iwss13, iwpg13
sqlite 3.45.1 | pbixsr | MS_Power_BI_Fmt | pbix
tesseract 5.1.0 | ocr and ocr folder | ocr is used for image to text conversion. |
Thrift 0.16.0 | See ‘Apache Arrow’ |  |
utf8proc 2.7.0 | See ‘Apache Arrow’ |  |
WinZipJPEG | unzipjpg | Extraction of PKZIP_Fmt subfiles that use the jpeg compresson method. See ZIP Compression Methods. |
WavPack 5.6.0 | wavpack | Extraction of PKZIP_Fmt subfiles that use the wavpack compresson method. See ZIP Compression Methods. |
Adobe XMP 2023.12 | xmp | Obtain XMP metadata |
xsimd 9.0.1 | See ‘Apache Arrow’ |  |
Facebook zstd 1.5.5 | pbixsr, zstdsr | MS_Power_BI_Fmt , Zstandard_Fmt and Extraction of PKZIP_Fmt subfiles that use the zStandard compresson method. See ZIP Compression Methods below | pbix, zstd
Facebook zstd 1.5.5 | see ‘Apache ORC’ |  |
Facebook zstd 1.5.6 | See ‘Apache Arrow’ |  |
OpenSSL 3.0.8 | cryptographyservices | The ability to decrypt data in RMS protected files. |

## ZIP Compression Methods

The ZIP specification allows compression of subfiles in many different ways, including the popular deflate method. File Content Extraction uses third-party libraries to handle some of these compression types.

You can delete some of these ZIP compression libraries, at the cost of losing the ability to extract subfiles that use that compression type.

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Version 25.1 | Last updated January 2025

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Product: File Content Extraction 25.1

Topic Title: Reducing Third-Party Library Usage